In the case of a funnel-shaped component, you can use, for example, a polygonal contact solid layout (A), but this would result in the incorrect secondary effect of stress peaks at corner points. When modeling using members (B), these should be arranged at each FE mesh point, and the cross‑section should correspond approximately to the FE mesh width. You can implement the failure criterion by member type (for example, compression member) or by means of nonlinear member releases.
Contact Problem at Funnel-Shaped Component
Mr. Fröhlich provides technical support to our customers and is responsible for development in the area of reinforced concrete structures.
The member hinge nonlinearity "Scaffolding N | phiy,phiz" allows you to simulate an inserted scaffolding tube joint.
The design of cold-formed steel members according to the AISI S100-16 / CSA S136-16 is available in RFEM 6. Design can be accessed by selecting “AISC 360” or “CSA S16” as the standard in the Steel Design Add-on. “AISI S100” or “CSA S136” is then automatically selected for the cold-formed design.
RFEM applies the Direct Strength Method (DSM) to calculate the elastic buckling load of the member. The Direct Strength Method offers two types of solutions, numerical (Finite Strip Method) and analytical (Specification). The FSM signature curve and buckling shapes can be viewed under Sections.
The member hinge nonlinearities "Scaffolding - N phiy / phiz" and "Scaffolding Diagram" enable the mechanical simulation of a tube joint with an inner stub between two member elements.
The equivalent model transfers the bending moment via the overpressed outer pipe and after positive locking additionally via the inner stub, depending on the compression state at the member end.
In RFEM 6 and RSTAB 9, you can export line graphics to the SVG format (vector graphics).
SVG stands for Scalable Vector Graphics and is an XML-based file format for displaying two-dimensional vector graphics. These vector graphics can be scaled without loss. It is possible to edit the SVG files using text editors, embed them on websites, and open them in the usual browsers.